Home / 314,929,540.20-472,394,310.30-192,485,533.80

Finding the Fourth Proportional to 314,929,540.20, 472,394,310.30 and 192,485,533.80

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Solution

The fourth proportional to 314,929,540.20, 472,394,310.30 and 192,485,533.80 is: 288,728,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,540.20 : 472,394,310.30 = 192,485,533.80 : x
  2. Step 2: Convert to fraction form
    314,929,540.20/472,394,310.30 = 192,485,533.80/x
  3. Step 3: Cross multiply
    314,929,540.20x = 472,394,310.30 × 192,485,533.80
  4. Step 4: Simplify right side
    314,929,540.20x = 90,929,070,982,178,352
  5. Step 5: Solve for x
    x = 90,929,070,982,178,352/314,929,540.20
  6. Step 6: Final answer
    x = 288,728,300.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.